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    <title>Document</title>
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    <script>
        //  Promise.resolve:
        // - 默认返回一个成功的promise实例,值是resolve接受的实参,快速把一个值包装成promise实例
        // - 如果resolve的参数是一个promise实例,则resolve的返回值和这个实例保持一致
        const p1 = Promise.resolve(1)
        console.log(p1);
        const p2 = Promise.resolve(new Promise((resolve,reject)=>{
            // resolve(1)
            reject('错啦')
           

        }))
        console.log(p2);
    </script>
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